Momentum (p) is proportional to velocity (v), while kinetic energy (KE) is proportional to v².
When momentum decreases by 20%, velocity decreases by 20%.
So, kinetic energy decreases by (1 - 0.8²) × 100% ≈ 36%.
Get instant updates and alerts directly from our site.
Install this app on your device for quick access right from your home screen.